JPS5737209A - Distance measuring device - Google Patents

Distance measuring device

Info

Publication number
JPS5737209A
JPS5737209A JP11180080A JP11180080A JPS5737209A JP S5737209 A JPS5737209 A JP S5737209A JP 11180080 A JP11180080 A JP 11180080A JP 11180080 A JP11180080 A JP 11180080A JP S5737209 A JPS5737209 A JP S5737209A
Authority
JP
Japan
Prior art keywords
light
measured
base line
amount
distance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11180080A
Other languages
Japanese (ja)
Inventor
Yukio Ono
Mitsuo Hiraizumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fanuc Corp
Original Assignee
Fanuc Corp
Fujitsu Fanuc Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fanuc Corp, Fujitsu Fanuc Ltd filed Critical Fanuc Corp
Priority to JP11180080A priority Critical patent/JPS5737209A/en
Publication of JPS5737209A publication Critical patent/JPS5737209A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Optical Distance (AREA)

Abstract

PURPOSE:To enable a geometrical and efficient measuring of a distace to an object to be measured, positioned at an intermediate distance, in a noncontact manner, by a method wherein a light-emitting light and a light-receiving light are utilized two-dimentionally. CONSTITUTION:When an object 20 to be measured exists at a x-distance from a measuring base line 2a-2'a and the surface is positioned in parallel to the base line 2a-2'a, a light-emitting part 10 emits laser light or straight-advancing light. A rotary mirror 2 reflects te light-emitting light which, in turn, is into a radial form to scan the object 20 to be measured. An amount of the reflection light from the object 20 increases such that an amount of light which enters into a rotary mirror 2', increases gradually in a process, during which the reflection spot of the reflection light passes through a A-point, and becomes a maximum and the A- point. A light-receiving amount at a light-receiving part 12 also becomes a maximum thereupon. An incident light to the object 20 to be measured and its reflecting light form an equilateral triangle in which the base line 2a-2'a forms a base side. As a result, the detection of a current theta causes finding of a distance x from the base line 2a-2'a to the object 20 from an equality of x=ltantheta.
JP11180080A 1980-08-15 1980-08-15 Distance measuring device Pending JPS5737209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11180080A JPS5737209A (en) 1980-08-15 1980-08-15 Distance measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11180080A JPS5737209A (en) 1980-08-15 1980-08-15 Distance measuring device

Publications (1)

Publication Number Publication Date
JPS5737209A true JPS5737209A (en) 1982-03-01

Family

ID=14570466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11180080A Pending JPS5737209A (en) 1980-08-15 1980-08-15 Distance measuring device

Country Status (1)

Country Link
JP (1) JPS5737209A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535451A1 (en) * 1982-10-29 1984-05-04 Renault Apparatus for an optical triangulation measurement to determine the position of an object and record its profile
JPS6036908A (en) * 1983-06-22 1985-02-26 エヌ・ヴイ−・オプテイ−シエ　インダストリ−“ドウ　アウド　デイルフト” Survey system for measuring distance between point on surface of body and reference level in noncontacting manner by using measurement method based on triangulation principle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123661A (en) * 1975-04-22 1976-10-28 Meisei Electric Co Ltd A method to measure the height of pile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123661A (en) * 1975-04-22 1976-10-28 Meisei Electric Co Ltd A method to measure the height of pile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535451A1 (en) * 1982-10-29 1984-05-04 Renault Apparatus for an optical triangulation measurement to determine the position of an object and record its profile
JPS6036908A (en) * 1983-06-22 1985-02-26 エヌ・ヴイ−・オプテイ−シエ　インダストリ−“ドウ　アウド　デイルフト” Survey system for measuring distance between point on surface of body and reference level in noncontacting manner by using measurement method based on triangulation principle
JPH0574764B2 (en) * 1983-06-22 1993-10-19 Optische Ind De Oude Delft Nv

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